In fact, no matter in the shot peening is sprayed or throw, are high speed steel shot to the surface of the workpiece, the purpose is the same, but not the same way, simple shapes available to avoid deep hole blasting, if other parts can not penetrate or uneven, with shot peening.
If the different parts of the strength requirements are not the same can only be on the numerical control of the shot peening, in the more complex surface, if strict requirements can only be used with a shot blasting robot.
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